| Abbreviation | Definition |
|---|---|
| BEA | Bureau of Economic Analysis, Department of Commerce |
| BEAST | Bicycle Electronic Aero Stealth Traveler |
| BEAT | Binary Electric Automotive Technology |
| BEATA | Barents Euro-Arctic Transport Area |
| BEAVA | Bridge Engineering Automated Vehicle Application |
| BEN | Bio Electronic Navigator |
| BEN | Biodiesel Education Network |
| BEN | Bionic Electrical Navigator |
| BERT | Big Easy Results Traffic |
| BERT | Blocky Electric Rapid Transit |
| BEST | Better Environmentally Sound Transportation |
| BETA | Beginning Estimated Time of Arrival |
| BEV | Basic Emergency Vehicle |
| BEV | Battery Electric Vehicle |
| BEV | Battery Electric Vehicles |
| BEVI | Electric Vehicle Initiative |
| BFT | Bigger Faster Truck |
| BFVS | Bradley Fighting Vehicle Systems |
| BG | Between Guiderails |
| BGR | Bangor International Airport |